Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

This Pysanky egg-decorating activity is perfect for young artists. Bring a little color and creativity to any holiday with this traditional Ukrainian craft.

This simple experiment serves as an introduction to the greenhouse effect.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Homemade Halloween treats make great party foods for an All Hallow's Eve get together. These four homemade Halloween treats are scary-good.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Making decorative pottery is a great way to experiment with making patterns and texture on a traditionally smooth surface.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

Your child can turn cookie dough into a big pile of colorful painted fall leaves ready for eating!

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."